Here are some examples of how "que suave" can be used:
* "Que suave es esta música." (This music is so smooth.)
* "Que suave se siente la brisa." (The breeze feels so soft.)
* "Que suave se ve tu nuevo carro." (Your new car looks so cool.)
The phrase can be used in both formal and informal contexts. It is a common expression used in Latin America and Spain.